gcloud-logging.yml

# more details this workflow and other at https://github.com/didier-durand/gcloud-tests
name: Use GCP logging

on:

  workflow_dispatch:
    inputs: 
 
  push:
    #protection to avoid triggering when other workflow is modified
    paths: 
    - '!.github/workflows/**'
    - '.github/workflows/gcloud-logging.yml'
    
  schedule:
    - cron:  '0 4 * * MON' 

env:
  GCP_VERBOSITY: warning
  GCP_TEST_LOG: gcp-test-log
  
jobs:
  use-GCP-logging-services:
  
    runs-on: ubuntu-latest

    steps:
        
    - name: Checkout
      uses: actions/checkout@v2.3.4

    - name: Setup gcloud CLI
      uses: google-github-actions/setup-gcloud@master
      with:
        project_id: ${{ secrets.GCP_PROJECT }}
        service_account_key: ${{ secrets.GCP_SA_KEY }}
        
    - name: Get gcloud version & info
      run: |-
        echo '--- gcloud version ---'
        gcloud version
        echo '--- gcloud info ---'
        gcloud info --anonymize
        
    - name: List project active logs
      run: |-
        gcloud logging logs list --verbosity=$GCP_VERBOSITY --project=${{ secrets.GCP_PROJECT }} --quiet
        
    - name: List logging resource descriptors
      run: |-
        gcloud logging resource-descriptors list --verbosity=$GCP_VERBOSITY --project=${{ secrets.GCP_PROJECT }} --quiet
        
    - name: Write message to test log
      run: |-
        gcloud logging write $GCP_TEST_LOG "test log entry @ $(date) at Github revision $GITHUB_SHA" --verbosity=$GCP_VERBOSITY --project=${{ secrets.GCP_PROJECT }} --quiet
        
    - name: Read test log message
      # sleep 10s to give enough time for log message to be centralized in aggregate logging.
      run: |-
        sleep 10s
        gcloud logging read --verbosity=$GCP_VERBOSITY --limit=1000 --order=desc --freshness=2m --project=${{ secrets.GCP_PROJECT }} --quiet
        grep "textPayload:.*Github.*$GITHUB_SHA" <<< $(gcloud logging read --order=desc --freshness=2m --verbosity=$GCP_VERBOSITY --limit=1000 --project=${{ secrets.GCP_PROJECT }} --quiet)
        
    - name: Delete test log
      run: |-
        gcloud logging logs delete $GCP_TEST_LOG --quiet